Pak Lay project notification follows dire findings of MRC study.
Cambodia has among the highest deforestation rates in the world, according to a study published in the journal Science Advances in 2017.
Researchers found that carbon dioxide lowers nutritional value of some crops
Experts say region on cusp of an energy revolution as photovoltaic prices plummet.
The exhaustive study raises alarm about future hydro dams on the Mekong River.
The Mekong River Commission is meeting in Siem Reap province this week to discuss alternative energy solutions, large-scale Chinese investment, and governance issues.
On Wednesday, regional governments met in Siem Reap for the third Mekong River Commission (MRC) summit.
As activists point to ecological destruction, a gathering is expected to reaffirm 'political commitment' of the member nations to the 1995 Mekong Agreement.
Agreement is in jeopardy following disputes between Australian states about how much water is allocated to agriculture and environmental needs.
Alarm raised that smuggling could destroy Cambodian export market.
Killings highlight rampant illicit timber trade in REDD forest.
Two suspects have since been charged with premeditated murder over the shootings: Keut Veha and Phal Penh.